CAS No.156032-14-3,2-AMINO-2-METHYL-BUTYRIC ACID METHYL ESTER HYDROCHLORIDE Suppliers

Dayang Chem (Hangzhou) Co.,Ltd.

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2-AMINO-2-METHYL-BUTYRIC ACID METHYL ESTER HYDROCHLORIDE

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Shanghai Hope Chem Co., Ltd

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Methyl 2-amino-2-methylbutanoate hydrochloride

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Isovaline,methylester,hydrochloride (1:1)

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

156032-14-3 2-AMINO-2-METHYL-BUTYRIC ACID METHYL ESTER HYDROCHLORIDE

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Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

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Hunan chemfish Pharmaceutical co.,Ltd

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2-Amino-2-methyl-butyricacidmethylester,HCl

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Hunan Russell Chemicals Technology Co.,Ltd

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2-Amino-2-methyl-butyricacidmethylester,HCl 156032-14-3

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Antimex Chemical Limied

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Hangzhou Fandachem Co.,Ltd

2-AMINO-2-METHYL-BUTYRIC ACID METHYL ESTER HYDROCHLORIDEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

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Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

2-amino-2-methylbutanoic acid methyl ester hydrochloride

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WUHAN YING YUAN BEI TECHNOLOGY CO., LTD

in stock Assay:99% white powder dentification(HPLC) ：The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Conformal standard preparation, as obtained in the ass

Methyl 2-amino-2-methylbutanoate hydrochloride

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Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 2-AMINO-2-METHYL-BUTYRIC ACID METHYL ESTER HYDROCHLORIDE, CAS:156032-14-3 with the mo

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Debye Scientific

Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen

2-Amino-2-methyl-butyric acid methyl ester hydrochloride

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BIOFINE

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Isovaline,methylester,hydrochloride (1:1)

Cas:156032-14-3

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Synthetic route

: 15030-72-5
Z-Aib-OH

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 156032-15-4
Z-Aib-DL-Iva-OMe

Conditions

Conditions	Yield
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide for 48h; Ambient temperature;	93%

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 610-14-0
2-nitrobenzyl chloride

: 1444223-97-5
methyl 2-methyl-2-(2-nitrobenzamido)butanoate

Conditions

Conditions	Yield
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 4h;	83%

: 327-78-6
4-chloro-3-(trifluoromethyl)phenyl isocyanate

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 2-<3-(4-Chlor-α,α,α-trifluor-m-tolyl)ureido>-2-methylbuttersaeuremethylester

Conditions

Conditions	Yield
With sodium carbonate In tetrahydrofuran for 18h; Heating;	1.8 g

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1000922-63-3
2-methyl-2-{[1-(2-phenoxy-ethoxy)-naphthalene-2-carbonyl]-amino}-butyric acid methyl ester

Conditions

Conditions	Yield
Stage #1: 1-(2-phenoxy-ethoxy)-naphthalene-2-carboxylic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: (±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; for 16h;

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: HCl*H-Aib-DL-Iva-OMe

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 156032-17-6
Z-Val-Aib-DL-Iva-OMe

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: HCl*H-Val-Aib-DL-Iva-OMe

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol View Scheme

Yield

Multi-step reaction with 4 steps
1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 156032-19-8
Z-Pro-Val-Aib-DL-Iva-OMe

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature View Scheme

Yield

Multi-step reaction with 5 steps
1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 156032-20-1
Z-Pro-Val-Aib-DL-Iva-OH

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 6: 77 percent / NaOH / methanol View Scheme

Yield

Multi-step reaction with 6 steps
1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
6: 77 percent / NaOH / methanol
View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: H-Pro-Val-Aib-DL-Iva-Gln-Gln-Lol

Conditions

Conditions	Yield
Multi-step reaction with 8 steps 1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 6: 77 percent / NaOH / methanol 7: 61 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 24 h / Ambient temperature 8: 94.3 percent / H2 / 10percent Pd/C / methanol View Scheme

Yield

Multi-step reaction with 8 steps
1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
6: 77 percent / NaOH / methanol
7: 61 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 24 h / Ambient temperature
8: 94.3 percent / H2 / 10percent Pd/C / methanol
View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: Z-Pro-Val-Aib-DL-Iva-Gln-Gln-Lol

Conditions

Conditions	Yield
Multi-step reaction with 7 steps 1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol 5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature 6: 77 percent / NaOH / methanol 7: 61 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 24 h / Ambient temperature View Scheme

Yield

Multi-step reaction with 7 steps
1: 93 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
2: 98 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
3: 75 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
4: 93 percent / 1 N aq. HCl, H2 / 10percent Pd/C / methanol
5: 79 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 48 h / Ambient temperature
6: 77 percent / NaOH / methanol
7: 61 percent / 1-hydroxybenzotriazole (HOBt), N,N'-dicyclohexylcarbodiimide (DCC), Et3N / dimethylformamide / 24 h / Ambient temperature
View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 92668-60-5
3-(4-Chlor-α,α,α-trifluor-m-tolyl)-5-ethyl-5-methylhydantoin

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 1.8 g / Na2CO3 / tetrahydrofuran / 18 h / Heating 2: HCl (6N) / acetone / 1.5 h / Heating View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431140-96-3
C18H19N3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-05-7
C18H17F2N3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-21-7
C18H17F2N3O4S

Conditions

Conditions	Yield
Multi-step reaction with 7 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chiral ReproSil column chromatography / methanol / Resolution of racemate 6: chloroform / 65 °C 7: pyridine / dichloromethane / 20 °C View Scheme

Yield

Multi-step reaction with 7 steps
1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C
2: lithium hydroxide; water / tetrahydrofuran; methanol
3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr
4: acetic acid / 1 h / 150 - 200 °C
5: chiral ReproSil column chromatography / methanol / Resolution of racemate
6: chloroform / 65 °C
7: pyridine / dichloromethane / 20 °C
View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-12-6
C19H21N3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431140-97-4
C19H21N3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431140-98-5
C18H25N3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-33-1
3-ethyl-3-methyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431140-99-6
C18H18ClN3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-00-2
C18H18ClN3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-01-3
C18H18ClN3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-02-4
C19H18F3N3O4S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-36-4
C12H13ClN2O4S

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-03-5
C19H21N3O5S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1444223-90-8
2-methyl-2-(2-nitrobenzamido)butanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1444223-76-0
2-(2-aminobenzamido)-2-methylbutanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

A: 1431141-39-7
(S)-(-)-3-ethyl-3-methyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione

B: 1431141-40-0
(R)-(+)-3-ethyl-3-methyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione

Conditions

Conditions	Yield
Multi-step reaction with 5 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chiral ReproSil column chromatography / methanol / Resolution of racemate View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-41-1
S-(-)-3-ethyl-3-methyl-2,5-dioxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine-7-sulfonyl chloride

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chiral ReproSil column chromatography / methanol / Resolution of racemate 6: chloroform / 65 °C View Scheme

: 156032-14-3
(±)-2-methyl-2-aminobutanoic acid methyl ester hydrochloride

: 1431141-04-6
C19H19F2N3O5S

Conditions

Conditions	Yield
Multi-step reaction with 6 steps 1: N-ethyl-N,N-diisopropylamine / dichloromethane / 4 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran; methanol 3: hydrogen; palladium 10% on activated carbon / methanol / 3 h / 760.05 Torr 4: acetic acid / 1 h / 150 - 200 °C 5: chloroform / 20 h / 65 °C 6: pyridine / 16 h / 70 °C View Scheme

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